2679889694 has 32 divisors (see below), whose sum is σ = 4285971360. Its totient is φ = 1253145600.

The previous prime is 2679889691. The next prime is 2679889699. The reversal of 2679889694 is 4969889762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679889691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205504 + ... + 1207724.

It is an arithmetic number, because the mean of its divisors is an integer number (133936605).

Almost surely, 2^2679889694 is an apocalyptic number.

2679889694 is a deficient number, since it is larger than the sum of its proper divisors (1606081666).

2679889694 is a wasteful number, since it uses less digits than its factorization.

2679889694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636.

The product of its digits is 94058496, while the sum is 68.

The square root of 2679889694 is about 51767.6510380759. The cubic root of 2679889694 is about 1389.0108543384.

Adding to 2679889694 its sum of digits (68), we get a palindrome (2679889762).

The spelling of 2679889694 in words is "two billion, six hundred seventy-nine million, eight hundred eighty-nine thousand, six hundred ninety-four".